Patent US3481439A successfully refreshed from Google Patents.
US3481439A
Expired / Lapsed
US
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Internally cooled motion control system
Assignee: Individual
•
Filing: 1968-01-17
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Granted: 1969-12-02
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Expires: 1988-01-17
Abstract
No abstract record available.
Inventors
- 👤 Eugene Finkin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:15
CPC Classifications
F; F16; F16D; F16D65/00; F16D65/78; F16D65/84; F16D13/00; F16D13/58; F16D13/72; F16D2065/781
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2656905A
Cited
US2837180A
Cited
US2991851A
Cited
US3028935A
Cited
US2986238A
Cited
US3006442A
Cited
US3287906A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-01 | 1973-06-02 | 1973-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-01 | 1977-06-02 | 1977-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-01 | 1981-06-02 | 1981-12-02 | $7700.00 | Window Closed / Lapsed |